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China, Chinese Drs125 200 250 High Seeling Customized Wheel Block 125mm-500mm with Motor for End Carriage / End Truck for Crane1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Power Transmission PartsSlewing DriveTravel WheelDrs Travel Wheel Box
Suzhou Premunk Intelligent Equipment Co., Ltd.
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Product Description Kunheng Lifting is a leading domestic manufacturer and service provider of lifting machinery and material handling equipment, with operations in various industrial fields and regions. We focus on the lifting industry and have leading independent research and development and manufacturing capabilities. Six years ago, we reached a strategic partnership agreement with international first-line brands Konecranes and Demag DEMAG, becoming Konecranes authorized agents and some product OEM processors; the company has ISO9001, ISO14001, ISO45001 and other system certifications, with the concept of "sincerity, safety, seriousness, service". Based on our resources, professional technical background and company philosophy, we are confident to make and realize our commitment to providing customers with products and services that exceed expectations.The travelling wheel block is a type of travelling wheel installed inside the box, which can be used for universal applications in all industries. Due to the modular design principle, the workload control of project engineering, the design and manufacturing costs of travelling units are minimized. The excellent form and positional tolerance of the travelling wheel and housing facilitate assembly, reducing installation and alignment work.Main features: 1,Small wheel diameter, large load-bearing capacity, perfectly matched with offset gearbox motors or angular geared motors; 2,DRS112~DRS200 is die cast aluminum material box body, DRS250~DRS500 is ductile iron material.Integrated processing. Beautiful appearance with excellent positional tolerance, making installation more convenient and accurate; 3,The surface of the box is coated with corrosion-resistant paint(RAL7001), the wheel block work better 24/7; 4,Compensation for track center distance offset up to 8mm; 5,Adopting a built-in bearing design for better bearing protection; 6,Lifetime maintenance free design, DRS112~DRS200 bearings maintain lubrication for life, DRS250~DRS500 has oil replenishment holes, making refueling quick and convenient; 7,Easily replace the walking wheels and maintain the initial installation state of the wheel box, without the need to recalibrate the wheel block; 8,Provide a variety of materials and designs for walking wheels to meet various application needs. You only need to provide us with the load, travelling speed, and working conditions, and we can tailor the most suitable plan for you! We will provide you with 2D or 3D drawings. 1.2 Travel wheel materials 40Cr DRS112~DRS200 using 40Cr hot-rolled round steel for quenching and tempering treatment. DRS250~DRS500 using 40Cr forgings and tempering treatment. The material has high tensile strength, with overall quenching and surface quenching treatment HB300-380. The walking wheel has a guiding function. If wheel flange guidance is used, the minimum gap between the inner surface of the wheel flange and the edge of the track can be as small as 1mm. The same gap can also be obtained by arranging guide wheels. If there is an expected increase in wear, the walking wheel tread or guide wheel rim can be hardened to HRC56 ± 2 (HB530) without slipping. The hardening of the walking wheel is only to reduce wear. polyurethane Polyurethane is a synthetic rubber material that has better resistance characteristics compared to other synthetic rubbers. Compared with metal materials, polyurethane walking wheels have a significantly high coefficient of friction, making them suitable for applications with high dynamic response. It has excellent shock absorption characteristics, so the walking noise can be minimized. Please note that compared to metal walking wheels, the load-bearing capacity of polyurethane walking wheels will be greatly weakened. Due to the low ground contact pressure, walking wheels made of polyurethane material are particularly suitable for walking on concrete surfaces; Due to the high coefficient of friction between the tread of the walking wheel and the contact material, polyurethane walking wheels are also suitable for friction driven applications with acceleration up to 1.5m/s2. In addition, polyurethane materials are suitable for use at temperatures up to 100 degrees Celsius. Hardening of wheels When the running wheels are severely worn during operation (such as when a large amount of iron filings are found on the track edge), the tread and rim of the metal running wheels can be hardened (to a depth of 2-3mm), and the running wheels of DRS112~DRS200 will not have rim damage markings. The hardness value reaches HRC56 ± 2 (HB530).4 Overview 1.3 Box materials Materials DRS112~DRS200 Use high-strength aluminum alloy casting DRS250~DRS500 Use nodular cast iron QT500. Paint DRS112~DRS200 The aluminium wheel block housings are provided with a weather-resistant powder coating in RAL7001 (silver grey) with a minimum thickness of 90μm before leaving the factory. DRS250~DRS500 Primer coat: Single coat of silver grey paint, coat thickness approx. 40μm Finish coat: Silver grey RAL7001, 50% shine, approx. 50μm. Special paint DRS112~DRS200 If a non-standard colour is requested (standard RAL7001, silver grey), the pow-der-coated wheel block is painted over. DRS250~DRS500 The wheel block housing can be painted in a non-standard colour (standard RAL7001, silver grey). Acid-resistant paint finish, outer surfaces DRS112~DRS200 The surfaces of wheel blocks with a powder-coated finish may be used in environ-ments with acid vapours without any treatment. The gap between the two housing parts and the cover is sealed with an acid-proof varnish. Wheel blocks must also be fitted with ball bearings featuring double lip seals. DRS250~DRS500 Wheel blocks can be supplied with an acid protection paint finish for applications in environments with acid vapours.5 Overview ·Flange guide arrangement The permissible horizontal force on flange-guided wheel blocks must not exceed 20% of the actual wheel load. ·Wheel blocks with roller guide arrangement The permissible horizontal force on wheel blocks fitted with a roller guide arrangement must not exceed 15 % of the actual wheel load. For DRS112~DRS200 with travel wheel variant E, the value must be limited to 12%. Exception: DRS200 with top connection, the permissible horizontal force must be limited to 10% of the actual wheel load. If higher horizontal loads are to be expected, the roller guide arrangement can be fitted to the steel superstructure, however, not to the wheel block. ·Flange guide arrangement Wheel blocks with roller guide arrangement, fitted to the customer's superstructure The guide roller arrangement as a solo part may transmit 20 % of the permissible wheel load when fitted to the customer's superstructure.DRSDRS315 DRS400 DRS500DRS112DRS125DRS160DRS200DRS250DRS250
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